Scalability of 'spam.whitelist.rules' facility

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Why not migrate them to MySQL and use the SQLBlackWhiteList.pm that is
available from the MailWatch package ?

On Mon, 21 May 2007 10:06:37 +0100, "Quentin Campbell"
<Q.G.Campbell at newcastle.ac.uk> wrote:
> Our 'spam.whitelist.rules' file currently has over 4,000 entries and is
> growing at the rate of about 200-300 entries each week.
> 
> At what point does the number of entries in the whitelist file become
> 'too many' and impact the performance of MailScanner?
> 
> If all of our users requested just one address each to be whitelisted
> then 'spam.whitelist.rules' would have more than 20,000 entries!
> 
> [The increase in requests to whitelist is probably because the recently
> enabled Bayesian filter in SpamAssassin has had a significant impact on
> increasing the amount of tagged spam but at the cost of an increase in
> false positives.]
> 
> Quentin 
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